:root{--font-sans: "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--bg: #f2efe8;--ink: #1e2327;--muted: #5c6770;--line: rgba(30, 35, 39, .12);--card: rgba(255, 250, 242, .92);--card-strong: #fff9ef;--accent: #0f7b6c;--accent-strong: #09584d;--warm: #c76a27;--danger: #b5452d;--shadow: 0 18px 44px rgba(47, 39, 24, .12)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;font-family:var(--font-sans);color:var(--ink);background:radial-gradient(circle at top left,rgba(15,123,108,.15),transparent 34%),radial-gradient(circle at top right,rgba(199,106,39,.16),transparent 28%),linear-gradient(180deg,#f7f3ea 0%,var(--bg) 100%)}button,input{font:inherit}.demo-shell{width:min(1180px,calc(100vw - 32px));margin:0 auto;padding:32px 0 48px}.hero-card,.config-card,.action-card,.log-card{border:1px solid var(--line);border-radius:24px;background:var(--card);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.hero-card{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:24px;padding:28px;margin-bottom:24px}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.hero-copy h1{margin:0;font-size:clamp(32px,4vw,56px);line-height:.98;letter-spacing:-.04em}.hero-text{max-width:56ch;margin:18px 0 0;color:var(--muted);font-size:16px}.build-tag{display:inline-flex;margin:16px 0 0;padding:7px 12px;border:1px solid rgba(15,123,108,.18);border-radius:999px;background:#0f7b6c14;color:var(--accent-strong);font-size:13px;font-weight:700}.status-panel{display:flex;flex-direction:column;justify-content:center;padding:24px;border-radius:20px;background:var(--card-strong);border:1px solid var(--line)}.status-panel[data-tone=pending]{border-color:#c76a2759;box-shadow:inset 0 0 0 1px #c76a2714}.status-panel[data-tone=ready]{border-color:#0f7b6c59;box-shadow:inset 0 0 0 1px #0f7b6c14}.status-panel[data-tone=error]{border-color:#b5452d59;box-shadow:inset 0 0 0 1px #b5452d14}.status-label{color:var(--muted);font-size:13px}.status-value{margin-top:10px;font-size:clamp(24px,3vw,38px);font-weight:700}.status-meta{margin-top:12px;color:var(--muted);font-size:14px;line-height:1.6}.demo-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:24px;margin-bottom:24px}.config-card,.action-card,.log-card{padding:24px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.head-actions,.box-head{display:flex;align-items:center;gap:8px}.card-head h2{margin:0;font-size:20px}.field{display:grid;gap:8px;margin-bottom:14px}.field span{font-size:14px;color:var(--muted)}.field input{width:100%;height:48px;padding:0 14px;border:1px solid rgba(30,35,39,.15);border-radius:14px;background:#ffffffe0;color:var(--ink)}.field input:focus{outline:none;border-color:#0f7b6c73;box-shadow:0 0 0 4px #0f7b6c1f}.field-hint{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.pill-row{display:flex;flex-wrap:wrap;gap:8px}.pill{padding:6px 10px;border-radius:999px;background:#0f7b6c14;color:var(--accent-strong);font-size:12px;font-weight:700}.action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.primary-btn,.secondary-btn,.ghost-btn{min-height:48px;padding:0 16px;border-radius:14px;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.primary-btn:hover,.secondary-btn:hover,.ghost-btn:hover{transform:translateY(-1px)}.primary-btn:disabled,.secondary-btn:disabled,.ghost-btn:disabled{cursor:not-allowed;opacity:.55;transform:none}.primary-btn{background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff;box-shadow:0 10px 24px #0f7b6c3d}.secondary-btn{background:#ffffffe0;color:var(--ink);border-color:#1e23271f}.ghost-btn{background:transparent;color:var(--muted);border-color:#1e232724}.mini-btn{min-height:36px;padding:0 12px;border-radius:12px}.snapshot-box{margin-top:20px;padding:16px;border-radius:18px;background:#1d2528;color:#e4efe9}.snapshot-box>div{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;color:#8ac7bb;font-size:13px}.snapshot-box pre,.log-payload{margin:0;white-space:pre-wrap;word-break:break-word;font-family:IBM Plex Mono,SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.55}.diagnostics-box{margin:0;min-height:180px;max-height:420px;overflow:auto;padding:16px;border-radius:18px;background:#1d2528;color:#e4efe9;white-space:pre-wrap;word-break:break-word;font-family:IBM Plex Mono,SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.55}.log-list{display:grid;gap:12px}.log-item{padding:14px 16px;border-radius:18px;border:1px solid var(--line);background:#ffffffd1}.log-info{border-left:4px solid rgba(15,123,108,.45)}.log-warn{border-left:4px solid rgba(199,106,39,.55)}.log-error{border-left:4px solid rgba(181,69,45,.6)}.log-content{font-size:14px;line-height:1.6}.log-payload{margin-top:10px;padding:12px;border-radius:14px;background:#1e23270d;color:#364148}@media(max-width:900px){.hero-card,.demo-grid{grid-template-columns:1fr}.demo-shell{width:min(100vw - 20px,1180px);padding-top:20px}}@media(max-width:640px){.hero-card,.config-card,.action-card,.log-card{padding:18px;border-radius:20px}.action-grid{grid-template-columns:1fr}.card-head{align-items:flex-start;flex-direction:column}}